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Offline Controllers | MC33067

High Performance Resonant Mode Controller

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CAD Model

Overview

The MC34067/MC33067 are high performance zero voltage switch resonant mode controllers designed for off-line and dc-to-dc converter applications that utilize frequency modulated constant off-time or constant deadtime control. These integrated circuits feature a variable frequency oscillator, a precise retriggerable one-shot timer, temperature compensated reference, high gain wide bandwidth error amplifier, steering flip-flop, and dual high current totem pole outputs ideally suited for driving power MOSFETs.

Also included are protective features consisting of a high speed fault comparator and latch, programmable soft-start circuitry, inputundervoltage lockout with selectable thresholds, and reference undervoltage lockout.

These devices are available in dual-in-line and surface mount packages.

  • Zero Voltage Switch Resonant Mode Operation
  • Variable Frequency Oscillator with a Control Range Exceeding 1000:1
  • Precision One-Shot Timer for Controlled Off-Time
  • Internally Trimmed Bandgap Reference
  • 4.0 MHz Error Amplifier
  • Dual High Current Totem Pole Outputs
  • Selectable Undervoltage Lockout Thresholds with Hysteresis
  • Enable Input
  • Programmable Soft-Start Circuitry
  • Low Startup Current for Off-Line Operation
  • Pb-Free Packages are Available*

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Reference Price

MC33067DWG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751G-03

3

260

TUBE

47

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

Price N/A

More Details

MC33067DWR2G

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Active, Not Rec

CAD Model

Pb

A

H

P

SOIC-16W

751G-03

3

260

REEL

1000

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

$1.4298

More Details

MC33067PG

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Active, Not Rec

CAD Model

Pb

A

H

P

PDIP-16

648-08

NA

0

TUBE

25

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

$1.4298

More Details

MC34067DWG

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751G-03

3

260

TUBE

47

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

Price N/A

More Details

MC34067DWR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751G-03

3

260

REEL

1000

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

Price N/A

More Details

MC34067PG

Loading...

Active, Not Rec

CAD Model

Pb

A

H

P

PDIP-16

648-08

NA

0

TUBE

25

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

$1.4

More Details

NCV33067DWR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751G-03

3

260

REEL

1000

N

Flyback

Voltage Mode

1000

No

Yes

Yes

No

Yes

20

200 / 200

Price N/A

More Details

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